A Study to Measure if There is Any Difference in How the Body Breaks Down or Inactivates Either Fluoxetine or LY2216684 When Both of These Medicines Are Given Together.

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The purpose of this study is to measure if there is any difference in how the body breaks down or inactivates either fluoxetine or LY2216684 when both of these medicines are given together. This study will look at how fluoxetine might affect LY2216684 and how giving LY2216684 might affect fluoxetine in the body.

The duration of study participation in this study is approximately 36 days not including the screening appointment. This study requires 1 research unit confinement of 29 days/28 nights followed by 1 outpatient appointment. A screening appointment is required within 30 days prior to the start of the study.

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

Ages Eligible for Study:

18 Years to 65 Years (Adult)

Sexes Eligible for Study:

All

Accepts Healthy Volunteers:

Yes

Criteria

Inclusion Criteria:

Are overtly healthy as determined by medical history and physical examination.

Male subjects: Agree to use a reliable method of birth control during the study and for 3 months following the last dose of study drug.

Female subjects: Are women of child-bearing potential who test negative for pregnancy at the time of enrollment, have used a reliable method of birth control for 6 weeks prior to administration of study drug, and agree to use a reliable method of birth control during the study and for 1 month following the last dose of study drug; or Women not of child-bearing potential due to surgical sterilization (hysterectomy, bilateral oophorectomy, or tubal ligation) or menopause (at least 1 year without menses or 6 months without menses and a follicle stimulating hormone [FSH] level ≥40 mIU/mL).

Are between the ages of 18 and 65 years, inclusive.

Are between the body mass index of 18.5 and 32.0 kg/m2, inclusive.

Have screening clinical laboratory test results within normal reference range for the population or investigator site, or results with acceptable deviations that are judged to be not clinically significant by the investigator.

Have venous access sufficient to allow blood sampling as per the protocol.

Have normal BP and pulse rate (supine position and standing) as determined by the investigator.

Are reliable and willing to make themselves available for the duration of the study and are willing to follow study procedures.

Have given written informed consent approved by Lilly and the institutional review board (IRB) governing the site.

Exclusion Criteria:

Are investigator site personnel directly affiliated with this study or their immediate families. Immediate family is defined as a spouse, parent, child or sibling, whether biological or legally adopted.

Are Lilly employees.

Are currently enrolled in, or discontinued within the last 30 days from, a clinical trial involving an investigational drug or device other than the study drug used in this study, or are concurrently enrolled in any other type of medical research judged not to be scientifically or medically compatible with this study.

Have known allergies to LY2216684, fluoxetine, or related compounds.

Are persons who have previously completed or withdrawn from this study or any other study investigating LY2216684 within 6 months prior to screening.

Have a clinically significant abnormality in the 12-lead ECG as determined by the investigator.

Have significant history of or current cardiovascular (including dysrhythmias), respiratory, hepatic, renal, gastrointestinal, endocrine, hematological, or neurological disorders capable of significantly altering the absorption, metabolism, or elimination of drugs; of constituting a risk when taking the study medication; or of interfering with the interpretation of data.

Have a history of seizure disorders.

Have a history or presence of the signs and/or symptoms of hyponatremia.

Have a history or presence of the signs and/or symptoms of hyperthyroidism as determined by an abnormal thyroid stimulating hormone (TSH) at screening.

Show evidence of significant active neuropsychiatric disease or a history of suicidal thoughts or attempted suicide.

Regularly use known drugs of abuse and/or show positive findings on urinary drug screening.

Intend to use over-the-counter or prescription medication within 14 days prior to dosing unless deemed acceptable by the investigator and sponsor's medical monitor

Use of any drugs or substances that are known to be a strong inducer or inhibitor of CYP2D6 within 30 days prior to check-in

Have donated blood of more than 500 mL within 4 weeks prior to screening.

Have an average weekly alcohol intake that exceeds 14 units per week, or are unwilling to stop alcohol consumption 48 hours prior to Check-in until the completion of the study (1 unit = 12 oz or 360 mL of beer; 5 oz or 150 mL of wine; 1.5 oz or 45 mL of distilled spirits).

Consume 5 or more cups of coffee (or other beverages of comparable caffeine content) per day, on a habitual basis, or any subjects unwilling to adhere to study caffeine restrictions.

Have used any tobacco-containing or nicotine-containing products (including but not limited to cigarettes, pipes, cigars, chewing tobacco, nicotine patches, nicotine lozenges, or nicotine gum) within 6 months prior to enrollment.

Have consumed grapefruit or grapefruit-containing products 7 days prior to enrollment and during the study.

Have a documented or suspected history of glaucoma.

Subjects determined to be unsuitable by the investigator for any reason.